# frozen_string_literal: true

class MoveCasSettings < ActiveRecord::Migration[4.2]
  def change
    #As part of removing the build in CAS authentication we should
    #convert the data over to be used by the plugin.
    cas_hostname = SiteSetting.find_by(name: "cas_hostname")
    cas_sso_hostname = SiteSetting.find_by(name: "cas_sso_hostname")
    if cas_hostname && !cas_sso_hostname
      #convert the setting over for use by the plugin
      cas_hostname.update_attribute(:name, "cas_sso_hostname")
    elsif cas_hostname && cas_sso_hostname
      #copy the setting over for use by the plugin and delete the original setting
      cas_sso_hostname.update_attribute(:value, cas_hostname.value)
      cas_hostname.destroy
    end

    cas_domainname = SiteSetting.find_by(name: "cas_domainname")
    cas_sso_email_domain = SiteSetting.find_by(name: "cas_sso_email_domain")
    if cas_domainname && !cas_sso_email_domain
      #convert the setting over for use by the plugin
      cas_domainname.update_attribute(:name, "cas_sso_email_domain")
    elsif cas_domainname && cas_sso_email_domain
      #copy the setting over for use by the plugin and delete the original setting
      cas_sso_email_domain.update_attribute(:value, cas_domainname.value)
      cas_domainname.destroy
    end

    cas_logins = SiteSetting.find_by(name: "cas_logins")
    cas_logins.destroy if cas_logins

    #remove the unused table
    drop_table :cas_user_infos
  end
end
